Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
2826491No factors below 269
P-1
B1=5 000 000
B2=200 000 000
LL
StatusDateUserResidueShift
VerifiedThomas KrawczykF11D22925E291A090
Verified2001-03-25David CampeauF11D22925E291A09549940
Verified2018-09-08kkmrkkblmbrbkF11D22925E291A092648424
History
DateUserTypeResult
2021-05-13TJAOINFno factor from 2^68 to 2^69
2020-01-24masserNF-PM1B1=5000000, B2=200000000, E=12
2019-11-10masserNF-PM1B1=3000000, B2=30000000, E=12
2019-01-03chuenkitNFno factor from 2^67 to 2^68
2018-09-08kkmrkkblmbrbkC-LLF11D22925E291A09
2017-10-28Gordon SpenceNFno factor from 2^66 to 2^67
2017-08-19Jocelyn LaroucheNF-PM1B1=400000, B2=4000000, E=6
2016-02-23Mark RoseNFno factor from 2^1 to 2^60
2016-02-13ramgeisNFno factor from 2^65 to 2^66
2015-05-10Squeeky_SquirrelNF-PM1B1=200000, B2=5800000, E=12
2015-04-21VictordeHollanderNFno factor from 2^64 to 2^65
2015-04-21VictordeHollanderNFno factor from 2^63 to 2^64
2014-04-24-Anonymous-NF-PM1B1=100000
2014-04-19Jocelyn LaroucheNF-PM1B1=60000
2013-01-10dbaughNFno factor from 2^62 to 2^63
2012-02-16markrNFno factor from 2^61 to 2^62
2009-02-13Sturle SundeNFno factor from 2^60 to 2^61
2002-01-02-Anonymous-NF-PM1B1=50000, B2=1500000
2002-01-02-Anonymous-NF-PM1B1=20000, B2=240000
2001-03-25David CampeauC-LLF11D22925E291A09
2000-04-19David CampeauC-LLF11D22925E291A09
2000-03-22David CampeauNF-PM1B1=15000, B2=157500